40 Operation principle and hardware description
Simplified power and control connection diagram
The following figure shows a simplified diagram of the power and control connections of
ACS880-04.
# Description
1. Main switch-disconnector
2. Main AC fuses
3. Thermal switch
4. Main contactor *) optional
5. Cabinet cooling fan
6. Diode supply module(s) (frame size D7T or D8T)
7. DC fuses
8. Common mode filter
9. Inverter modules (frame size R8i)
10. Control unit (BCU-x2) of the supply unit
11. Diagnostic and panel interface board (FDPI-02)
12. Communication option modules (RDCO-0x)
13. ACS-AP-x control panel and door mounting kit
1) 115/230 V AC for BDPS to produce 24 V DC
2) Supply for direct-on-line fans and heaters
Note: I/O connections marked with
dashed lines are optional.
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